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-rw-r--r--m4/nl_langinfo.m477
1 files changed, 77 insertions, 0 deletions
diff --git a/m4/nl_langinfo.m4 b/m4/nl_langinfo.m4
new file mode 100644
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+++ b/m4/nl_langinfo.m4
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+# nl_langinfo.m4 serial 8
+dnl Copyright (C) 2009-2022 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_FUNC_NL_LANGINFO],
+[
+ AC_REQUIRE([gl_LANGINFO_H_DEFAULTS])
+ AC_REQUIRE([gl_LANGINFO_H])
+ AC_CHECK_FUNCS_ONCE([nl_langinfo])
+ AC_REQUIRE([AC_CANONICAL_HOST])
+ AC_REQUIRE([gl_FUNC_SETLOCALE_NULL])
+ AC_REQUIRE([gl_PTHREADLIB])
+ AC_CHECK_HEADERS_ONCE([threads.h])
+ if test $ac_cv_func_nl_langinfo = yes; then
+ # On Irix 6.5, YESEXPR is defined, but nl_langinfo(YESEXPR) is broken.
+ AC_CACHE_CHECK([whether YESEXPR works],
+ [gl_cv_func_nl_langinfo_yesexpr_works],
+ [AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM([[#include <langinfo.h>
+]], [[return !*nl_langinfo(YESEXPR);
+]])],
+ [gl_cv_func_nl_langinfo_yesexpr_works=yes],
+ [gl_cv_func_nl_langinfo_yesexpr_works=no],
+ [
+ case "$host_os" in
+ # Guess no on irix systems.
+ irix*) gl_cv_func_nl_langinfo_yesexpr_works="guessing no";;
+ # Guess yes elsewhere.
+ *) gl_cv_func_nl_langinfo_yesexpr_works="guessing yes";;
+ esac
+ ])
+ ])
+ case $gl_cv_func_nl_langinfo_yesexpr_works in
+ *yes) FUNC_NL_LANGINFO_YESEXPR_WORKS=1 ;;
+ *) FUNC_NL_LANGINFO_YESEXPR_WORKS=0 ;;
+ esac
+ AC_DEFINE_UNQUOTED([FUNC_NL_LANGINFO_YESEXPR_WORKS],
+ [$FUNC_NL_LANGINFO_YESEXPR_WORKS],
+ [Define to 1 if nl_langinfo (YESEXPR) returns a non-empty string.])
+ # On Solaris 10 and Solaris 11.3, nl_langinfo is not multithread-safe.
+ case "$host_os" in
+ solaris*) NL_LANGINFO_MTSAFE=0 ;;
+ *) NL_LANGINFO_MTSAFE=1 ;;
+ esac
+ AC_DEFINE_UNQUOTED([NL_LANGINFO_MTSAFE], [$NL_LANGINFO_MTSAFE],
+ [Define to 1 if nl_langinfo is multithread-safe.])
+ if test $HAVE_LANGINFO_CODESET = 1 \
+ && test $HAVE_LANGINFO_T_FMT_AMPM = 1 \
+ && test $HAVE_LANGINFO_ALTMON = 1 \
+ && test $HAVE_LANGINFO_ERA = 1 \
+ && test $FUNC_NL_LANGINFO_YESEXPR_WORKS = 1 \
+ && test $NL_LANGINFO_MTSAFE = 1; then
+ :
+ else
+ REPLACE_NL_LANGINFO=1
+ AC_DEFINE([REPLACE_NL_LANGINFO], [1],
+ [Define if nl_langinfo exists but is overridden by gnulib.])
+ fi
+ else
+ HAVE_NL_LANGINFO=0
+ fi
+ if test $HAVE_NL_LANGINFO = 0 || test $HAVE_LANGINFO_CODESET = 0; then
+ LIB_NL_LANGINFO="$LIB_SETLOCALE_NULL"
+ else
+ LIB_NL_LANGINFO=
+ fi
+ dnl LIB_NL_LANGINFO is expected to be empty everywhere.
+ AC_SUBST([LIB_NL_LANGINFO])
+])
+
+# Prerequisites of lib/nl_langinfo-lock.c.
+AC_DEFUN([gl_PREREQ_NL_LANGINFO_LOCK],
+[
+ gl_VISIBILITY
+])